<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    .trs{
      width: 200px;
background-color: #00B7FF;
      transform: scale(0.5) translate(500px);

    }
  </style>
</head>
<body>

  <audio id="audio" controls="controls" src="./asset/shenshi.mp3"></audio>
<button onclick="clicka()" >播放</button>

  <svg width="120" height="120" viewBox="0 0 120 200" style="background-color: green">
    <circle cx="60" cy="60" r="50"></circle>
  </svg>

  <div class="trs">hello world</div>
<script>
  function clicka() {
    var aud=document.getElementById("audio");
    if(aud.paused){
        aud.play()
    }else{
        aud.pause()
    }
  }
</script>
</body>
</html>
